sed-append-next-line

来自「arm9200t上的一个叫busybox的东西」· 代码 · 共 20 行

# This will fail if CONFIG_FEATURE_SED_GNU_COMPATABILITY is defined
busybox sed 'N;p'>output <<EOF
a
b
c
EOF

set +e
cmp -s output - <<EOF
a
b
a
b
c
EOF
if [ $? != 0 ] ; then
	exit 0;
fi
exit 1;